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OASIS Cross-sectional

The Open Access Series of Imaging Studies (OASIS) is a project aimed at making MRI data sets of the brain freely available to the scientific community.

OASIS Cross-sectional

This set consists of a cross-sectional collection of 416 subjects aged 18 to 96. For each subject, 3 or 4 individual T1-weighted MRI scans obtained in single scan sessions are included. The subjects are all right-handed and include both men and women. 100 of the included subjects over the age of 60 have been clinically diagnosed with very mild to moderate Alzheimer’s disease (AD). Additionally, a reliability data set is included containing 20 non-demented subjects imaged on a subsequent visit within 90 days of their initial session.

Files

In the platform, 416 subjects and 436 sessions in total are uploaded.

Metadata

Demographic and clinical measures are added as well as anatomic volumes.